1 files changed, 0 insertions, 83 deletions
diff --git a/lib/esan/esan_linux.cpp b/lib/esan/esan_linux.cpp
deleted file mode 100644
index 014205ce0..000000000
--- a/lib/esan/esan_linux.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-//===-- esan.cpp ----------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of EfficiencySanitizer, a family of performance tuners.
-//
-// Linux-specific code for the Esan run-time.
-//===----------------------------------------------------------------------===//
-
-#include "sanitizer_common/sanitizer_platform.h"
-#if SANITIZER_FREEBSD || SANITIZER_LINUX
-
-#include "esan.h"
-#include "esan_shadow.h"
-#include "interception/interception.h"
-#include "sanitizer_common/sanitizer_common.h"
-#include <sys/mman.h>
-#include <errno.h>
-
-namespace __esan {
-
-void verifyAddressSpace() {
-#if SANITIZER_LINUX && (defined(__x86_64__) || SANITIZER_MIPS64)
-  // The kernel determines its mmap base from the stack size limit.
-  // Our Linux 64-bit shadow mapping assumes the stack limit is less than a
-  // terabyte, which keeps the mmap region above 0x7e00'.
-  uptr StackLimit = GetStackSizeLimitInBytes();
-  if (StackSizeIsUnlimited() || StackLimit > MaxStackSize) {
-    VReport(1, "The stack size limit is beyond the maximum supported.\n"
-            "Re-execing with a stack size below 1TB.\n");
-    SetStackSizeLimitInBytes(MaxStackSize);
-    ReExec();
-  }
-#endif
-}
-
-static bool liesWithinSingleAppRegion(uptr Start, SIZE_T Size) {
-  uptr AppStart, AppEnd;
-  for (int i = 0; getAppRegion(i, &AppStart, &AppEnd); ++i) {
-    if (Start >= AppStart && Start + Size - 1 <= AppEnd) {
-      return true;
-    }
-  }
-  return false;
-}
-
-bool fixMmapAddr(void **Addr, SIZE_T Size, int Flags) {
-  if (*Addr) {
-    if (!liesWithinSingleAppRegion((uptr)*Addr, Size)) {
-      VPrintf(1, "mmap conflict: [%p-%p) is not in an app region\n",
-              *Addr, (uptr)*Addr + Size);
-      if (Flags & MAP_FIXED) {
-        errno = EINVAL;
-        return false;
-      } else {
-        *Addr = 0;
-      }
-    }
-  }
-  return true;
-}
-
-uptr checkMmapResult(uptr Addr, SIZE_T Size) {
-  if ((void *)Addr == MAP_FAILED)
-    return Addr;
-  if (!liesWithinSingleAppRegion(Addr, Size)) {
-    // FIXME: attempt to dynamically add this as an app region if it
-    // fits our shadow criteria.
-    // We could also try to remap somewhere else.
-    Printf("ERROR: unsupported mapping at [%p-%p)\n", Addr, Addr+Size);
-    Die();
-  }
-  return Addr;
-}
-
-} // namespace __esan
-
-#endif // SANITIZER_FREEBSD || SANITIZER_LINUX